Analysis

  • max time kernel
    300s
  • max time network
    190s
  • platform
    windows10-1703_x64
  • resource
    win10-20230915-en
  • resource tags

    arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system
  • submitted
    03-10-2023 04:47

General

  • Target

    1debc00b0df8f07fcad2e269ecbede7928ee1b8aa9fed1c568420e80536b1e42.exe

  • Size

    228KB

  • MD5

    390a1fd3c5b6cbcf3bc003e9bf7af94e

  • SHA1

    3bc7ef3fc326816436acecdc72cdfc7eb8526c60

  • SHA256

    1debc00b0df8f07fcad2e269ecbede7928ee1b8aa9fed1c568420e80536b1e42

  • SHA512

    7d3d6244de300a316ce098321ed2669b9d6a6fcb5791bd197c29b077376657bdaf92e2530e8ca0329333c6572dd8a4b589500f8950f54ef04f6bd237101a9e15

  • SSDEEP

    3072:UQ+15yaha3TnpsR4o1eChmPvPP/iMOUZ5gIF25/Q+:vFB3Tnp44o1ehn39Obi25

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2022

C2

http://gudintas.at/tmp/

http://pik96.ru/tmp/

http://rosatiauto.com/tmp/

http://kingpirate.ru/tmp/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\1debc00b0df8f07fcad2e269ecbede7928ee1b8aa9fed1c568420e80536b1e42.exe
    "C:\Users\Admin\AppData\Local\Temp\1debc00b0df8f07fcad2e269ecbede7928ee1b8aa9fed1c568420e80536b1e42.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:4864
  • C:\Users\Admin\AppData\Roaming\giufgcs
    C:\Users\Admin\AppData\Roaming\giufgcs
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:2728

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\giufgcs

    Filesize

    228KB

    MD5

    390a1fd3c5b6cbcf3bc003e9bf7af94e

    SHA1

    3bc7ef3fc326816436acecdc72cdfc7eb8526c60

    SHA256

    1debc00b0df8f07fcad2e269ecbede7928ee1b8aa9fed1c568420e80536b1e42

    SHA512

    7d3d6244de300a316ce098321ed2669b9d6a6fcb5791bd197c29b077376657bdaf92e2530e8ca0329333c6572dd8a4b589500f8950f54ef04f6bd237101a9e15

  • C:\Users\Admin\AppData\Roaming\giufgcs

    Filesize

    228KB

    MD5

    390a1fd3c5b6cbcf3bc003e9bf7af94e

    SHA1

    3bc7ef3fc326816436acecdc72cdfc7eb8526c60

    SHA256

    1debc00b0df8f07fcad2e269ecbede7928ee1b8aa9fed1c568420e80536b1e42

    SHA512

    7d3d6244de300a316ce098321ed2669b9d6a6fcb5791bd197c29b077376657bdaf92e2530e8ca0329333c6572dd8a4b589500f8950f54ef04f6bd237101a9e15

  • memory/2728-14-0x00000000024A0000-0x00000000025A0000-memory.dmp

    Filesize

    1024KB

  • memory/2728-15-0x0000000000400000-0x0000000002434000-memory.dmp

    Filesize

    32.2MB

  • memory/2728-19-0x0000000000400000-0x0000000002434000-memory.dmp

    Filesize

    32.2MB

  • memory/3104-4-0x00000000009A0000-0x00000000009B6000-memory.dmp

    Filesize

    88KB

  • memory/3104-16-0x00000000027F0000-0x0000000002806000-memory.dmp

    Filesize

    88KB

  • memory/4864-1-0x0000000002520000-0x0000000002620000-memory.dmp

    Filesize

    1024KB

  • memory/4864-2-0x0000000000400000-0x0000000002434000-memory.dmp

    Filesize

    32.2MB

  • memory/4864-3-0x00000000024B0000-0x00000000024B9000-memory.dmp

    Filesize

    36KB

  • memory/4864-5-0x0000000000400000-0x0000000002434000-memory.dmp

    Filesize

    32.2MB